Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039778 | Dihydroxy-pendant rigid-rod benzobisazole copolymer | Hoe Hin Chuah, Loon-Seng Tan, Fred E. Arnold | 1991-08-13 |
| 5008346 | Graft copolymers of poly(p-phenylene benzbisimidazole) | Robert C. Evers, D. Roger Moore | 1991-04-16 |